ITworld.com – If you have tried to give away any files lately on any of your Unix systems (i.e., without first becoming root), you may have been surprised to learn that you can’t. On most Unix systems ...

Linux is a multi-user operating system. What does that mean? Like all good operating systems, you can have multiple user accounts on one machine. You can also have more than one user logged in at once ...

Today’s column is another troubleshooting tale – a real story from the pits of systems administration. And, although the solution to the particular problem encountered turned out to be trivial, the ...

In Unix-like operating systems, such OS X or a Linux distribution, every file has an owner account. They also have a special program called the terminal that gives access to the command line and all ...

Linux and recursion are on very good speaking terms. In fact, a number of Linux commands recurse without ever being asked, while others have to be coaxed with just the right option. When is recursion ...